Referenced Items are not available for this document.
The details of an experimental active radar absorber have been presented. The absorber is based on the topology of a Salisbury screen but uses an active impedance layer to provide reflectivity tuning. The active impedance layer is a FSS controlled by semiconductor pin diodes. Measured reflectivity characteristics have been presented and compared to predictions obtained from a simple equivalent circuit transmission line model. The structure has also been analysed using the Ansoft HFSS electromagnetic simulator software in which the diode has been modelled by a small planar slab of material with variable surface impedance. This model provides superior result to the transmission line model in predicting the resonance frequencies of the FSS.
Published in:
Antennas and Propagation Society International Symposium, 2003. IEEE
(Volume:4
)
Date of Conference: 22-27 June 2003
- Page(s):
- 295 - 298 vol.4
- Print ISBN:
- 0-7803-7846-6
- INSPEC Accession Number:
- 7946423
- Digital Object Identifier :
- 10.1109/APS.2003.1220178
- Product Type:
- Conference Publications
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